Claudia Kenyatta CBE and Emma Squire CBE, co-CEOs of Historic England, said it was a "remarkable discovery".
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It is difficult to know exactly when the shift from gelatine to agar occurred. As often happens for scientific breakthroughs, agar was likely adopted incrementally alongside the use of other growth media. In 1913, for example, the first diagnosis of Serratia marcescens as a human pathogen was made by growing it on agar as well as on potatoes.。业内人士推荐一键获取谷歌浏览器下载作为进阶阅读